Page 9 of 396
FBU00011
AVIS IMPORTANT
Ce véhicule est conçu et fabriqué pour une utili-
sation TOUT-TERRAIN uniquement. La
conduite de ce véhicule sur la voie publique est
illégale et dangereuse.
Ce véhicule est conforme à toutes les législations
relatives au déparasitage et au bruit des tout-ter-
rains en vigueur au moment de la fabrication.
Prendre connaissance des règlements locaux
avant de conduire ce véhicule.
SBU00011
AVISO IMPORTANTE
Esta máquina ha sido fabricada y diseñada úni-
camente para su utilización FUERA DE CARRE-
TERA. Por lo tanto, es ilegal y, al mismo tiempo,
peligroso, circular con ella por autopistas, carre-
teras o cualquier otra vía pública.
La máquina satisface todos los requisitos sobre
nivel sonoro y emisión de chispas en circulación
FUERA DE CARRETERA, establecidos por la
reglamentación y las leyes vigentes en el
momento de su fabricación.
Se ruega consultar las leyes y reglamentación
local sobre vehículos a motor antes de usar la
motocicleta.
Page 10 of 396
EBU01056
YFZ350S
OWNER’S MANUAL
©2003 by Yamaha Motor Co., Ltd.
1st edition, March 2003
All rights reserved. Any reprinting or
unauthorized use without the written
permission of Yamaha Motor Co., Ltd.
is expressly prohibited.
Printed in Japan.
Page 11 of 396
FBU01056SBU01056
YFZ350S
MANUAL DEL PROPIETARIO
© 2003 por Yamaha Motor Co., Ltd.
1ª edición, Marzo 2003
Reservados todos los derechos. Queda
expresamente prohibida cualquier reimpre-
sión o uso no autorizado sin el consentimien-
to por escrito de Yamaha Motor Co., Ltd.
Impreso en Japón.YFZ350S
MANUEL DU PROPRIÉTAIRE
© 2003 par Yamaha Motor Co., Ltd.
1ère édition, Mars 2003
Tous droits réservés. Toute réimpression ou
utilisation non autorisée sans la permission
écrite de la Yamaha Motor Co., Ltd.
est formellement interdite.
Imprimé au Japon
Page 12 of 396

LOCATION OF THE WARNING AND
SPECIFICATION LABELS .......................1-1
SAFETY INFORMATION .........................2-1
DESCRIPTION AND MACHINE
IDENTIFICATION.....................................3-1
Identification number records ...............3-3
Key identification number .....................3-5
Vehicle identification number ...............3-7
Model label ...........................................3-9
CONTROL FUNCTIONS .........................4-1
Main switch ...........................................4-1
Handlebar switches ..............................4-3
Throttle lever ........................................4-5
Throttle OverRide System ....................4-7
Speed limiter ........................................4-9
Clutch lever ........................................4-11
4
3
2
1Front brake lever ................................4-11
Brake pedal ........................................4-13
Parking brake .....................................4-13
Shift pedal ..........................................4-17
Kick starter .........................................4-17
Fuel tank cap ......................................4-19
Fuel cock ............................................4-19
Starter (choke) ....................................4-21
Seat ....................................................4-23
Front shock absorber adjustment .......4-25
Rear shock absorber adjustment .......4-29
PRE-OPERATION CHECKS ...................5-1
Front and rear brakes ...........................5-5
Fuel ....................................................5-11
Engine mixing oil ................................5-15
Transmission oil .................................5-17
Chain ..................................................5-21
Throttle lever ......................................5-21
5
EBU00015
CONTENTS
Page 13 of 396

Fittings and fasteners .........................5-21
Lights ..................................................5-23
Switches .............................................5-23
Tires ...................................................5-25
How to measure tire pressure ............5-29
Tire wear limit .....................................5-31
OPERATION ............................................6-1
Starting a cold engine ...........................6-3
Starting a warm engine ........................6-9
Warming up ..........................................6-9
Shifting ...............................................6-11
To start out and accelerate .................6-15
To decelerate .....................................6-19
Engine break-in ..................................6-21
Parking ...............................................6-25
Parking on a slope ..............................6-27
Accessories and loading ....................6-29
6
Riding Your ATV ......................................7-1
Getting to know your ATV ....................7-3
Ride with care and good
judgement ...........................................7-5
Be careful where you ride ...................7-27
Turning your ATV ...............................7-41
Climbing uphill ....................................7-45
Riding downhill ...................................7-57
Crossing a slope .................................7-61
Crossing through shallow water .........7-65
Riding over rough terrain ....................7-69
Sliding and skidding ...........................7-71
What to do if ... ..................................7-75
What to do ... .....................................7-75
PERIODIC MAINTENANCE AND
ADJUSTMENT .........................................8-1
Owner’s manual and tool kit .................8-3
Periodic maintenance/Lubrication ........8-7
Transmission oil .................................8-17
8
7
Page 14 of 396

Cooling system ...................................8-23
Spark plug inspection .........................8-39
Air filter cleaning .................................8-43
Carburetor settings .............................8-51
Idle speed adjustment ........................8-67
Throttle lever adjustment ....................8-71
Front and rear brake pad
inspection .........................................8-73
Brake fluid level check ........................8-75
Brake fluid replacement ......................8-79
Front brake lever free play .................8-81
Brake pedal height adjustment ...........8-83
Parking brake adjustment ...................8-85
Adjusting the rear brake light switch ...8-89
Clutch adjustment ...............................8-91
Drive chain slack check ......................8-91
Drive chain slack adjustment ..............8-93
Lubricating the drive chain .................8-95
Cable inspection and lubrication ........8-99Brake and shift pedal/brake and
clutch lever lubrication ....................8-101
Front upper and lower arm pivot
lubrication .......................................8-101
Rear arm pivot lubrication ................8-103
Wheel removal .................................8-105
Wheel installation .............................8-105
Replacing the headlight bulb ............8-107
Headlight beam adjustment ..............8-109
Tail/brake light bulb replacement .....8-111
Troubleshooting ................................8-113
Troubleshooting chart .......................8-117
CLEANING AND STORAGE ...................9-1
A. Cleaning ...........................................9-1
B. Storage ............................................9-7
SPECIFICATIONS .................................10-1
10
9
Page 15 of 396
CONVERSION TABLE ..........................11-111
Page 16 of 396

EMPLACEMENTS DES ÉTIQUETTES
D’AVERTISSEMENT ET DE
CARACTÉRISTIQUES ...........................1-2
CONSIGNES DE SECURITE .................2-2
DESCRIPTION ET IDENTIFICATION
DU VÉHICULE .......................................3-2
Numéros d’identification ......................3-4
Numéro d’identification de la clé .........3-6
Numéro d’identification du véhicule ....3-8
Étiquette de modèle ............................3-10
FONCTION DES COMMANDES ..........4-2
Contacteur à clé ....................................4-2
Contacteurs au guidon ..........................4-4
Levier d’accélération ............................4-6
Système d’annulation des gaz...............4-8
4
3
2
1
Limiteur de vitesse..............................4-10
Levier d’embrayage ............................4-12
Levier de frein avant ...........................4-12
Pédale de frein ....................................4-14
Frein de stationnement........................4-14
Pédale de sélection..............................4-18
Kick ....................................................4-18
Bouchon de réservoir de carburant .....4-20
Robinet de carburant ...........................4-20
Starter (choke) ....................................4-22
Selle ....................................................4-24
Réglage de l’amortisseur avant ...........4-26
Réglage de l’amortisseur arrière .........4-30
CONTRÔLES AVANT LE
DÉMARRAGE .........................................5-2
Freins avant et arrière ...........................5-6
Carburant ............................................5-12
Huile de mélange pour le moteur .......5-16
5
FBU00015
TABLE DES MATIÈRES